Home / 668,423.75-1,002,028.73-247,404.38

Finding the Fourth Proportional to 668,423.75, 1,002,028.73 and 247,404.38

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Solution

The fourth proportional to 668,423.75, 1,002,028.73 and 247,404.38 is: 370,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,423.75 : 1,002,028.73 = 247,404.38 : x
  2. Step 2: Convert to fraction form
    668,423.75/1,002,028.73 = 247,404.38/x
  3. Step 3: Cross multiply
    668,423.75x = 1,002,028.73 × 247,404.38
  4. Step 4: Simplify right side
    668,423.75x = 247,906,290,440.67
  5. Step 5: Solve for x
    x = 247,906,290,440.67/668,423.75
  6. Step 6: Final answer
    x = 370,881.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.